Window-sash fasteneb



UNITED STATES PATENT onirica. f l

JAMES M. EVAR'IS, OF vNEW` HAVEN, GONNE(YIIGU'I.A

WINDow-sAsH Fascisme.

Specification of Letters Patent No.

To all whom t may concern.'

Be it known that I, JAMES M. EvAR'rs, of the town of New Haven, in the county of New Haven and State of Connecticut, have invented a new and useful Improvementfin Fasteners for Window-Sashes; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation. of the same, reference being had to the accompanying drawings, which make a part of this'specification, in which- Figure 1 is a perspective view of the inside of the upper part of the case of the fastener; showing the small wards, which rest in the small spaces, or grooves, of the button, bolt, or catch, and designed to strengthen thel case; and the small hollow projecting piece` which steadies the spring by passing on to the pin to which one end of the springis attached. Fig. 2, is a perspective view of the inside of the lower, or bottom, part of the case of the fastener; showing the main wards, on which the button, bolt, or catch, works, the pin to which one end of the spring is to be attached, and the catch, with the spring attached, resting in its propery position, as when fastened. Fig. 3, is a perspective view of the under side ofthe catch, showing the spaces, or grooves, near its ends, which work on the main wards on `the inside of the lower part, or bottom, of the case, with thespring, which is to move, and to sustain it in its proper position, attached.- Fig. 4, is a perspective viewof the fastener complete, and ready to be attached to the bars of the window sash, and showing the knob, or handle, by which the catch, is to be moved, tofasten and to unfasten it, and

a line showing the division of the case into two parts. Fig. 5, is a perspective view of a part of the fastener, showing the catch', extending out at the side of the case, over the rim, sufiiciently to serve for a handle, by which to move it.

My improvement consists in making a firm, substantial, compact, andm neat, fastener for window sashes, by `inclosing the catch, and spring, in a snug and neat case,

which catch, is to be moved to fasten, and to unfasten the sash, by means of a knob, or

handle, which pass through a circular slot,

or space, inthe upper part of the case which incloses the catch, and spring. This catch, is carried to, and sustained firmly in-,its proper position, (both when the sashis fas- 5,77s, dated september 19, 184s.

tened, when yit' is unfastened,) by a single, light spiral spring, of one or more turns,"or coils, litted in an elbow shape.

This-one spring, beingattached by one of its Iends to a `small projecting piece onfthe edge of the catch, near the middle, and the other end being attached, or draped on,

to a pin, cast on, or riveted into, lthe lower.v `*part of the case, in a proper position, works freely, and effectively, both to move, and toy s ustain,-the catch, in all of its proper positions, workingboth ways with equal force and freedom. f

I make the fastener offbrass, by casting` the upper part,l (A, B, 1,) of the case"v in one piece, with a hole, Fig. 1,) in the center to admit a screw, or rivet, (as seen att', Figs. 4, and 5,) to hold the catch, (Ey Figs. 2, and 3,) in its proper position; and` to hold the case together, and with a circular slot, or space, It, Figs. 1, and 4 in the top,

to admit the knob, or handle, f Figs. 2,

and 4. And with'asmall hollow `projecting piece, c', Fig. 1, to fit on to the pin, f, Fig. 2, which holds the end, c, of the spring, d, Figs. 2, and 3. Andr with 'a small ward,

G, Fig. 1, (to. strengthen the case,) and with*r l a rimor projecting edge, H, H, Figs. 1, 4,v

and 5, entirely around it, of sutcient width for suitable screws to fasten it to the bars of the sash, byvmeans of the holes g: g, Figs. 1, 4,- and '5. I also iiialegt-hge bottom part, C, D, tFig. 2, of the case, of brass, by casting it in one piece, of the proper size and form to fit the under Vside of the rim, H, H, Fig. 1, (as seen in Fig. 2.)

'In the center of this bottom part I cast a hole, e', Fig. 2, to admit the screw, or rivet, i, Figs. 4, and 5,`to secure the catch, in its proper position in the case, (as seen in Figs. 2, and 5.) I also cast a circular ward F, F, on this bottom part, in a position about half way between the edgcand the center, as seen in Fig. 2, and in part, in Fig. 5. vI cast that part of the ward near F. Figs. 2, and,

5, considerably smaller than the other parts y by reducing that part of the pattern, on the tance.` from the center, as seen at F, Figs. 'i y 2, and 5 the groove, f, Fig. 2, will. continue toy press harder on this increased, or

swelled, surface a s,it` passesto its position .to ,fasten the sash,jand will thereby draw..

the upper side, to ft the small wards. Gr,-Gr,

Fig. l. On the edge, and near the middle, of this catch, I cast, or make, a small projecting piece,e, Figs. 8, and 2, to which I attach one end of the spring, d, Figs. 3, and

.- 2, by means of a joint pin, as seen at e, Figs.

3, and 2,. I extend the end of the catch through the slot, h, Fig. 5, in the upper part of the case, and' over the rim, ITI, I-I,'to form a knob, or handle, as seen at f', Fig. 5, or use the one before described,

I make this spiral spring, a, Figs. 2,.a nd 3, of brass, or any other suitable, wire, by

making` one or more spiral turns, or coils,

ofv suitable size, in the' central part of the springs, as seen at d, Figs. -2, and 8, and

turn a circular loop like c, Fig. 3, at'eaclr end to lit over pin c andjoint pin e making the whole spring of the proper length to.

work freely both ways. I turn, and finish, the out side of the upper part, (A, B, Fig. 4,) of the ease in a lathe, (or in any vother suitable and convenient way),

I-Iaving attached the spring, a, to the catch, E, by means of the jointspin e, in the projection on its edge, I plan the other end, e, of the spring, CZ, on the pin, 0, Fig. 2, and the catch, E, on Athe lower part, (C, l), Fig. 2,) of the case in its proper'position. I then place the upper part, (A, B, Fig. 1,) of the case over the lower part, (C, 1,),Figg 2,) and pass the hollow projecting piece, Fig. 1,) onto the in, (0," Fig. 2,) and the knob, or handle, (U, Fig. 2,) through the circular slot, (L, Figs. l", and 4H) and insert the screw, orrivet, (i, Figs. 4, and 5,) to hold the catch, in its proper place, and to hold the two parts of the case together; when the upper side of the complete fastener will appear as seen in Fig. 4, and as it will appear when the sash is fastened, I then, by means of the knob, or handle, (f, Fig. 4,) turn the catch,(F1, Fig. 2,) to t-he posi-tion shown by the dotted lines, E, Fig.` 2, when the coil of the spring will be at d', and the end attached tothe catch, will be at e, Fig. 2. j I then saw or cut the case perpendicularly through into two unequal parts (A, and B, Figs. l, 4,y and 5,) in the proper direction, near `the side of the catch, leaving said button, and the spring &c., in the largest part, B, as shown by thel line a, b, in'Figs. l, 2, 4 and' 5.V

The two parts of the case are to be screwed onto the two adjloining'bars of thesash, in such a position as will allow the two casements ofthe sash to move freely by each other when they are unfastened. Each4 part of the case, A, B, Fig. l and C, D, Fig. 2, `maybe vcast in one piece, as before described, or either of them may be cast in two pieces, as represented by the linea, b, Figs. 1, and 4, as may be deemed most convenient in any case, by the manufacturer. If I cast the Iupper part of the case, Fig. l, in two pieces, I join them together with soft solder, or any other convenient substance, for the purpose of turning and finishing them in the lathe. i VAny, or all, of the cast parts may be made ofw cast iron, or any other suitable cast metal. And'the same parts may also be made of sheet brass, sheet iron, or any other suitable sheet metal, and be struck up by swages, so far as ,is necessary. 'IfhevupperV part of the case may be polished, japa'nned, plated, or finished in any other way.

This fastener may aise be used for various other purposes, as' for fastening, closet, and bookcase doors,'&c. In some cases, the ,lower part of the case may be made without wards; and the catch, made without the spaces, or'grooves, if thought proper. Or the main wards may be cast on the upper part of the case instead of the lower part, if preferred; but they should never `be made without wards forrwindow sashes, as they would be much less useful for that purpose s The advantages of my improvement over all others heretofore used or known consist, among many, of the following, to wit. First, in making a much more compact, neat and useful `Vfastener than any before known, by inclosing all the moving parts, (except `the knob, br handle,) in `ra Snug, neat, and smooth case, which will be an ornament to the window, as well as being very useful and safe; Second, from the shape of the ward, (on that part of the case, which is usually attached to the bar of the outer easement, on which the catch, works,y that is, its being swelled outward beyond the line'cf a segment of aperfect circle, on the outside, the groove near the end of* the catch, presses upon the outer side of the ward, and thereby draws the two easements of the sash snugly together, and

prevents any shaking or rattling vof the f sashes. And the spring pressing continually on the catch, in whatever position it may be, keeps it perfectly steady atI all times.`

Third, Vthe catch, being screwed 1n the center, and being firmly sustained throughout its whole length, both above and below, by the dilferent parts ofthe case, is not liable to be strained outof its proper position, or to be injured by anyl force which is not suflicient to out the catch square off.

'While those `now in use, from the extent of leverpurchase which they aiford and not being properly sustained, are very liable to get out of order, by even very slight strains. I am aware that fasteners for window sashes have been madeyin many Ways;"a1 1d that many, if not all, ofthe parts Which, I use have been before used, I therefore claim none of the parts, as such; but What I claim as my invention, 'andde'- sire to secure by Letters Patent, isf i' The combination of the parts, by making the-fastener in such a manner that the button, bolt, or catch, and the spring Which moves, and sustains it, shall be inclosed in a small, snug, and neat case; With the Wards in the oase so arranged and formed that by .turning the button, bolt, or catch, to fasten the sash, it Will, (by means of the space-s, or grooves in the button, bolt, or catch, Working on the Wards,) also draw the t-Woeasementsvof the sash snugly together, and hold them perfectly steady and firm. And so that the button bolt, or catch, Will be so supported, and sustained, by the several parts of the case, and screw, (or rivet,)that it Will not be liable to be strained out of its `proper position, or injured, by any less force than would be required to out the button,

bolt, or catch, square 0H:1 in the case Which sustains it. And sothat the button, bolt, or catch, Will be moved to, and sustained firmly in, its proper position, at all'times,

both when fastened, and When unfastened, f

by fa single spiral spring, made With one or more turns, or coils, so constructed, tted, and arranged, as to Work freely, and effectively, both `Ways, that is, to fasten and to i unfasten. The Whole'constructed, arranged,

combined, and operating, and for the purposes,.substantially as herein described.

IJAMES M. EVARTS.

Witnesses:

` JESSE KNoWLEs R. FITZGERALD. 

